All-new design double-shaft high torque motor designed for use with Mini 4WD Pro series racers. Engine reduces power loss and provides high rate running also on slopes and curves. Either end of this double-shaft features press healthy metal pinion gears for efficient energy transmission. This motor can be utilized in formal Tamiya Mini 4WD races. *Compatible framework: Mini 4WD PRO show chassis (never compatible with Dangun or non- PRO show racers)